I've got two Yamaha Receivers in the house, one is an RX-A3000 and the other is an RX-V371. They are in two different rooms, but right next to each other (one opens up to the other--living room and family room).

The problem is when I use one remote to turn up volume or input, it affects both receivers, even though they are completely different models! Is there any way to "lock out" one remote from the other receiver?